tring to add a aux audio cable to my center console after removing the back plate on the console in the back seat were the 2 lighters and aux plug is i found a plug that is just seating there and i would like to no if anyone can help with what it is. hereis a pic of it its the round plug with a puple end on it.:dunno:

 

It's the antenna wire for a snap in adapter for the phone.

 

There's an in the rear console???????